Studies and examines variations in rock formations and mineral samples to identify new gas and oil deposits. Analyzes the integrity of wells to determine feasibility of drilling. Estimates depth, quality and vastness of deposits. Requires a bachelor's degree and 0-2 years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field. Relies on instructions and pre-established guidelines to perform the functions of the job. Works under immediate supervision. Primary job functions do not typically require exercising independent judgment. Typically reports to a supervisor or manager.